Designed to supply on demand drinking water filtration for large families, small restaurants and small businesses.Most of the reverse osmosis systems work the same way. However, their performance can be affected by different factors. They include the incoming water pressure, the quality of filters and membranes, water temperature and the type and number of TDS (total dissolved solids). Ordinary RO Water purifiers just give you water, they are unable to give you healthy water. Only PentaPure Most Advanced Reverse Osmosis Technology Retains Essential Minerals during water purification Process which ensures removal of Harmful Chemicals , Heavy Metals , Arsenic,Virus, bacteria, Pathogens, Protozoa and dust particles from water.